humanoidrobots.systems

Compare humanoids

Pick two to four robots. Every pair also has its own permanent page, 1,326 in total, generated from the same records.

01

Pick robots

52 humanoids
2 robots selected.
02

Cassie vs ToddlerBot

permalink

Cassie has 20 fewer degrees of freedom (10 vs 30) than ToddlerBot. Openness score: Cassie 20, ToddlerBot 100 (of 100); only ToddlerBot publishes CAD, BOM, FW, SW and POL. Availability: Cassie research only, ToddlerBot diy build.

Side-by-side specifications. Rows marked with a square differ.
FieldAgility RoboticsAgility CassieStanford UniversityStanford ToddlerBotΔ first − second
Identity
Maker (differs)Agility RoboticsStanford University
Class (differs)BipedHumanoid
Status (differs)DiscontinuedResearch
Availability (differs)Research onlyDIY build
CountryUnited StatesUnited States
Year (differs)20172025
Specifications
Height—unsourced56cm
Mass—unsourced3.4kg
Degrees of freedom (differs)1030−20 (-67%)
Payload—unsourced1.48kg
Top speed—unsourced—unsourced
Runtime—unsourced—unsourced
Battery capacity—unsourced—unsourced
PriceNot for sale—unsourced
Actuators—unsourcedservo actuators; 7 DOF/arm, 6 DOF/leg, 2 neck, 2 waist
Compute—unsourcedNVIDIA Jetson Orin NX 16GB
Sensors—unsourced—unsourced
Openness and provenance
Openness bar20100
Openness score (differs)20/ 100100/ 100−80
CAD (25) (differs)not publicpublic
Bill of materials (20) (differs)not publicpublic
Sim model (URDF/MJCF) (20)publicpublic
Firmware (15) (differs)not publicpublic
Software (10) (differs)not publicpublic
Trained policies (10) (differs)not publicpublic
Verification levelL2L2
Sources33
Last checked (differs)2026-09-242026-09-25
03

Best-documented pairs

most sourced fields on both sides